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Clusters
All the major clusters are given in this section. Brighter ones appear first.
Open as well as globular star clusters are included here.
An open cluster is a small loose collection of order 10^2 young stars (e.g. the Pleiades Cluster). A globular cluster is a huge dense collection of order 10^5 very old stars (e.g. the Omega Centauri Cluster).
Brightest Clusters
HyadesCluster (* Mag= 0.5, Dia= 5.5 Degree *)
PleiadesCluster = M45 (* Mag= 1.2, Dia= 1.9 Degree *)
ThetaCarinaeCluster = IC[2602] (* Mag= 1.9, Dia= 0.8 Degree *)
OmicronVelorumCluster = IC[2391] (* Mag= 2.5, Dia= 0.8 Degree *)
NGC[6231] (* Mag= 2.6, Dia= 0.3 Degree *)
NGC[2451] (* Mag= 2.8, Dia= 0.7 Degree *)
NGC[3532] (* Mag= 3.0, Dia= 0.9 Degree *)
BeehiveCluster = M44 = NGC[2632] (* Mag= 3.1, Dia= 1.6 Degree *)
PtolemysCluster = M7 = NGC[6475] (* Mag= 3.3, Dia= 1.3 Degree *)
OmegaCentauriCluster = NGC[5139] (* Mag= 3.7, Dia= 0.6 Degree *)
NGC[2516] (* Mag= 3.8, Dia= 0.5 Degree *)
ChristmasTreeCluster = NGC[2264] (* Mag= 3.9, Dia= 0.7 Degree *)
Tucanae47Cluster = NGC[ 104] (* Mag= 4.0, Dia= 0.2 Degree *)
TauCanisMajorisCluster = NGC[2362] (* Mag= 4.1, Dia= 0.1 Degree *)
IC[4665] (* Mag= 4.2, Dia= 0.7 Degree *)
NGC[3114] (* Mag= 4.2, Dia= 0.6 Degree *)
JewelBoxCluster = NGC[4755] (* Mag= 4.2, Dia= 0.2 Degree *)
ButterflyCluster = M6 = NGC[6405] (* Mag= 4.2, Dia= 0.2 Degree *)
IC[2581] (* Mag= 4.3, Dia= 0.1 Degree *)
DoubleCluster = NGC[ 869] (* Mag= 4.3, Dia= 0.5 Degree *)
M47 = NGC[2422] (* Mag= 4.4, Dia= 0.5 Degree *)
NGC[ 884] (* Mag= 4.4, Dia= 0.5 Degree *)
M41 = NGC[2287] (* Mag= 4.5, Dia= 0.6 Degree *)
LambdaCentauriCluster = IC[2944] (* Mag= 4.5, Dia= 0.3 Degree *)
M39 = NGC[7092] (* Mag= 4.6, Dia= 0.5 Degree *)
NGC[2244] (* Mag= 4.8, Dia= 0.4 Degree *)
M22 = NGC[6656] (* Mag= 5.1, Dia= 0.4 Degree *)
TurquoiseOrbCluster = NGC[6752] (* Mag= 5.4, Dia= 0.3 Degree *)
WildDuckCluster = M11 = NGC[6705] (* Mag= 5.8, Dia= 0.2 Degree *)
HerculesCluster = M13 = NGC[6205] (* Mag= 5.9, Dia= 0.3 Degree *)
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